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From: Cyrill Gorcunov <gorcunov@gmail.com>
To: Konstantin Osipov <kostja.osipov@gmail.com>
Cc: tml <tarantool-patches@dev.tarantool.org>
Subject: Re: [Tarantool-patches] [PATCH v2] fio/coio: Handle partial writes
Date: Wed, 4 Dec 2019 14:48:08 +0300	[thread overview]
Message-ID: <20191204114808.GM10140@uranus> (raw)
In-Reply-To: <20191204113447.GA6592@atlas>

On Wed, Dec 04, 2019 at 02:34:47PM +0300, Konstantin Osipov wrote:
> * Cyrill Gorcunov <gorcunov@gmail.com> [19/12/04 14:21]:
> > +static inline int
> > +write_should_retry(void)
> > +{
> > +	/* Retry on O_NONBLOCK */
> > +	if (errno == EAGAIN)
> > +		return true;
> 
> Usually you add EWOULDBLOCK here too.

True. It somehow escaped from the drafts while I've been
merging the series of fixes. Thanks!

> > +	/* Retry if been interrupted */
> > +	if (errno == EINTR)
> > +		return true;
> 
> Not sure you should handle this. It's up to the client whether to
> make or not a write interruptible, it is managed by fcntl. 
> Otherwise you may block indefinitely inside a syscall.

OK, thanks, will drop.

  reply	other threads:[~2019-12-04 11:48 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-12-04 11:17 Cyrill Gorcunov
2019-12-04 11:25 ` Cyrill Gorcunov
2019-12-04 11:34 ` Konstantin Osipov
2019-12-04 11:48   ` Cyrill Gorcunov [this message]
2019-12-04 14:35 ` [Tarantool-patches] [PATCH v3] " Cyrill Gorcunov
2020-02-20 22:10   ` Alexander Turenko
2020-02-21 12:02     ` Cyrill Gorcunov
2020-02-21 14:48       ` Alexander Turenko
2020-06-10  9:53 [Tarantool-patches] [PATCH v2] fio/coio: handle " Cyrill Gorcunov

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